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NI 9425

32-Channel, 24 V, 7 µs, Sinking Digital Input Module

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  • 32-channel, 7 µs sinking digital inputs
  • Compatible with 12 and 24 V levels
  • Industry-standard 37-pin D-Sub connector
  • Hot-swappable operation
  • Extreme industrial certifications/ratings
  • -40 to 70 °C operating range
Data Sheet  |   Configure System popup

The National Instruments 9425 is a 32-channel, 7 µs, sinking digital input C Series module for any NI CompactDAQ or CompactRIO chassis. Each channel is compatible with 12 and 24 V levels and features 1,000 Vrms of transient overvoltage protection from channel to earth ground. The NI 9425 contains an industry-standard 37-pin D-Sub connector for low-cost cabling to a wide variety of 37-pin accessories available from NI or other vendors. It works with industrial logic levels and signals for direct connection to a wide array of industrial switches, transducers, and other devices.

The NI 9425 is a static digital module, so you can use it only to perform software-timed or static operations when installed in an NI CompactDAQ chassis.

The NI 9933 (or other 37-pin D-Sub connector) is required for use with the NI 9425. The NI 9933 includes a screw-terminal connector with strain relief as well as a D-Sub solder cup backshell for creating custom cable assemblies.

Data Sheet | View Pricing and Purchasing Information »

View Diagram

Select one of the following options for product configuration and pricing:

Select Module and Accessories Below » Configure and Price a Complete CompactDAQ/CompactRIO System »
 
Module Accessories   Chassis, Controllers, Modules Software & Services
Step 1: Verify Device and Quantity Selection
Part
Number		 Description Est Ship Days Glossary Definition US Dollars
(change) 		Qty
779139-01 NI 9425 1 - 2 $ 299.00

Each NI 9425 requires: 1 Cable, 1 Connectivity Accessory

NI 9425 Cable Connectivity Accessory
Step 2: Select Cable
Part
Number		 Description Est Ship Days Glossary Definition US Dollars
(change) 		Qty
Shielded
778621-01 SH37F-37M-1 Cable (1m)
NI Recommended		 5 - 10 $ 19.00
778621-02 SH37F-37M-2 Cable (2m) 5 - 10 $ 29.00
778620-04 SH37F-P-4 (4m) 5 - 10 $ 29.00
778673-01 CB-37FH 5 - 10 $ 59.00
778672-01 CB-37FV 5 - 10 $ 109.00
Step 3: Select Connectivity Accessory
Part
Number		 Description Est Ship Days Glossary Definition US Dollars
(change) 		Qty
Screw Terminals
779103-01 NI 9933 37pin D-Sub connector kit
NI Recommended		 1 - 2 $ 149.00
Connectivity Accessories that Require a Cable
779353-01 CB-37F-LP Unshielded, I/O Connector Block with 37-pin D-Sub 5 - 10 $ 39.00
779491-01 CB-37F-HVD 37-pin ScrewTerminal Blk, UL rec.150V CAT II, Din Rail 5 - 10 $ 169.00
778673-01 CB-37FH 37-Pin Screw Terminal Block, Horizontal, DIN Rail Mount 5 - 10 $ 59.00
778672-01 CB-37FV 37-Pin Screw Terminal Block, Vertical, DIN Rail Mount 5 - 10 $ 109.00
Step 4: Select Connector Block
Part
Number		 Description Est Ship Days Glossary Definition US Dollars
(change) 		Qty
Connectivity Accessories that Require a Cable
778673-01 CB-37FH 37-Pin Screw Terminal Block, Horizontal, DIN Rail Mount 5 - 10 $ 59.00
778672-01 CB-37FV 37-Pin Screw Terminal Block, Vertical, DIN Rail Mount 5 - 10 $ 109.00
Step 5: Add to Cart or Get a Quote

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Specifications Documents


Specifications Summary

General 
Form FactorCompactDAQ, CompactRIO
Operating System / TargetWindows, Real-Time
Measurement TypeDigital
Isolation TypeCh-Earth Ground Isolation
Analog Input 
Number of Channels0
Analog Output 
Number of Channels0
Digital I/O 
Number of Channels32 DI
TimingSoftware
Maximum Clock Rate140 kHz
Logic Levels12 V, 24 V
Maximum Input Range0..24 V
Input Current FlowSinking
Supports Handshaking I/O?No
Supports Pattern I/O?Yes
Counter/Timers 
Number of Counter/Timers0
Timing/Triggering/Synchronization 
TriggeringDigital
Triggers cDAQ ChassisYes

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System Assurance Programs

Reduce your setup time and total cost of ownership, and get a system you can use out of the box with National Instruments system assurance programs. System assurance programs include:

  • Installation and integration test of all individual hardware
  • Courtesy installation of system driver sets and application development environments
  • Three-year warranty and calibration coverage
  • Custom documentation plus a custom restore and startup utility

This service is only available for PXI, NI CompactRIO, and NI Compact FieldPoint systems.

Extended Warranties

National Instruments designs and manufactures all products to minimize failures, however unexpected failures can still occur. Extended warranties provide a fixed economical price at the time of system purchase, covering any repair costs for up to three years. In addition, they offer the following benefits:

  • Significant cost savings compared to individual repair incidents
  • Fault location, diagnostics, and repair by NI any time the system product fails
  • All parts and labor costs covered as well as any adjustments needed to restore the hardware to manufacturing specifications

For more information about your warranty options:

Calibration

NI recognizes the need to maintain properly calibrated devices for high-accuracy measurements. NI provides manual calibration procedures, services to recalibrate your products, and automated calibration software to calibrate many NI measurement products.

Training

NI training is the fastest, most certain route to productivity with NI tools and successful application development.

Repair Services

Return your registered product under warranty at no additional labor and parts cost. NI offers fault location, diagnostics, and repair any time the system fails as well as any adjustments needed to restore the hardware to manufacturing specifications.

Technical Support

ni.com/support

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